Table 1 Characteristics of the study participants
|  | All patients (n = 233) | HIF-PHI (n = 100) | ESA (n = 133) | NA (n) | P value |
|---|---|---|---|---|---|
Age | 77 [68–85] | 75 [64–81] | 79 [69–85] |  | 0.04 |
Female | 92 (39%) | 35 (35%) | 57 (43%) | Â | 0.28 |
BMI, kg/m2 | 22.4 [20.0-25.7] | 22.4 [20.0-26.3] | 22.4 [19.8–25.2] | 9 | 0.91 |
Hb, g/dL | 9.7 [9.0-10.3] | 9.6 [9.0-10.3] | 9.7 [8.9–10.3] |  | 0.44 |
MCV, fL | 94.0 [90.8–97.7] | 93.8 [91.3–97.5] | 94.1 [90.5–98.0] |  | 0.99 |
MCH, pg | 30.3 [29.2–31.6] | 30.2 [29.3–31.6] | 30.5 [29.2–31.7] |  | 0.74 |
MCHC, % | 32.2 [31.4–33.0] | 32.1 [31.3–32.9] | 32.3 [31.4–33.1] |  | 0.39 |
Fe, µg/dL | 68.0 [51.8–84.0] | 67.5 [52.5–83.8] | 69.0 [48.5–84.3] | 87 | 0.78 |
TIBC, µg/dL | 265 [235–296] | 265 [235–293] | 266 [236–300] | 88 | 0.99 |
Ferritin, ng/mL | 105 [41–200] | 104 [43–169] | 106 [38–255] | 91 | 0.81 |
CRP, mg/dL | 0.11 [0.05–0.46] | 0.10 [0.04–0.44] | 0.12 [0.05–0.52] | 27 | 0.37 |
eGFR, mL/min/1.73m2 | 18.8 [12.3–28.5] | 16.1 [10.4–27.8] | 19.9 [14.7–29.4] |  | 0.01 |
DM | 83 (36%) | 26 (26%) | 57 (43%) | Â | 0.01 |
HT | 144 (62%) | 62 (62%) | 82 (62%) | Â | 1.0 |
Heart disease | 89 (38%) | 26 (26%) | 63 (47%) | Â | 0.001 |
Iron therapy | 39 (17%) | 20 (20%) | 19 (14%) | Â | 0.29 |
Current smoker | 32 (14%) | 11 (11%) | 21 (16%) | Â | 0.34 |
Habitual drinking | 21 (9%) | 5 (5%) | 16 (12%) | Â | 0.07 |